Telephone system



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Feb." 16, 1937.

J. H. voss ET AL 2,070,874

TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet l PUBLIC EXCHANGE A 1 OFFICE IJI (90o LINE-s) (s00 LINES) LINES) BRANCH EXCHANGE I I (I500 LINES) J INVENTOR JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.

J. H. VOSS ET AL TELEPHONE SYSTEM Filed Sept. 16, 1935 Feb. 16, 1937. 2,070,874

34 Sheets-Sheet 2 PUBLIC EXCHANGE 1 OFFICE 9 (900 LINES) FIG. 2 PART I I L l l 97 I I POSITION 4 I-CB on. LINE [:13

C2) LC POSITION a I.BX u s a I POSITION 2 I POSITION 1 I I55I\ I I45I/ I INVENTOR.

JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.

Feb. 16, 1937. J. H. voss ET AL 2,070,374

TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 4 OFFICE 8 (300 LINES) FIG. 2,

PART 3 QI II55 I54 P56 155 (E I I'I I I I I T0 GROUPS LOC , INVENTOR. JOHN H. VOSS THOMAS F. CROCKER ATTORNEY,

Feb. 16, 1937. J. H. voss ET AL TELEPHONE SYSTEM 34 Sheets-Sheet 5 Filed Sept. 16, 1935 SUB-OFFICE 86 (I00 LINES) I I I I I I INVENTOR.

JOHN H. V055 THOMAS F. CROCKER ZZZw A TTORNEY.

Feb. 16, 1937. J. H. voss El AL TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet '7 3 FROM H615 l-TOLL LINE TTQT i .1. TIMES? COUNT ec'5 lf3 POSITION 1 I FROM F1614 c I45I EC 1 a --o l POSITION i I INVENTOR. JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.

Feb. 16, 1937.

J. H. VOSS ET AL TELEPHONE SYSTEM Filed Spt. 16, 1955 34 Sheets-Sheet 8 )(KXXXXX XXXXXXXXXXXXXKX XANX X XX )K/ mXXXXXWXXXXXXXXXXXXXXXXXX) XXXXXX THOMAS INVENTOR. JOHN H. VOSS F. CROCKER A TTORNES Feb. 16, 1937.

INCOMING SELECTOR |s2 FROM FIG. I7

J. H. voss ET AL 2,070,874

TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 11 LIKE FIG. \0

SELECT :O R

INCOMING INVENTOR. JOHN H. VOSS THOMAS F. CROCKER A TTORNE Y.

Feb. 16, 1937.

J. H. VOSS ET AL TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet l2 mmkm mad I m m2: ulgu f 1N! 'ENTOR. JOHN H. VOSS THOMAS F. CROCKER ATTORNEY.

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TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 1e THOMAS P. CROCKER ATTORNEY.

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OHH' U I W1 Feb. 16, 1937. J. H. voss ET AL TELEPHONE SYSTEM Filed Sept. 16. 1935 34 Sheets-Sheet 19 552m. .tdm P35 nub 3% 915 340 -nE. it,

INVEN TOR.

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JOHN H. VOSS THOMAS F.

CROCKER A TTORNEY,

Feb. 16, 1937. J. H. voss ET AL TELEPHONE SYSTEM Filed Sept. 16, 1935 34 Sheets-Sheet 20 :40 uuo P30 INVEN T 0R.

JOHN H. VOSS THOMAS F. CROCKER BY Z A TTORN E Y. 

